Difference between revisions of "Silicic acid"
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hydrated silica; silica gel (hydrated) | hydrated silica; silica gel (hydrated) | ||
| + | == Risks == | ||
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| + | Contact may cause irritation. | ||
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| + | Fisher Scientific: [https://fscimage.fishersci.com/msds/20680.htm MSDS] | ||
| + | == Physical and Chemical Properties == | ||
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 710 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 710 | ||
Revision as of 10:10, 31 August 2020
Description
A jelly-like semi-solid material composed of hydrated silicon dioxide. Silicic acid, or hydrated silica, is prepared by acidifying a solution of sodium silicate. When dried, silicic acid forms amorphous lumps that are called silica gel. Hydrated silica is used for paper and textile coatings.
Synonyms and Related Terms
hydrated silica; silica gel (hydrated)
Risks
Contact may cause irritation.
Fisher Scientific: MSDS
Physical and Chemical Properties
| Composition | SiO2-nH2O |
|---|---|
| CAS | 7699-41-4 |
| Molecular Weight | mol. wt. = 78.0977 |
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 710
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996